US5128782A - Liquid crystal display unit which is back-lit with colored lights - Google Patents
Liquid crystal display unit which is back-lit with colored lights Download PDFInfo
- Publication number
- US5128782A US5128782A US07/521,399 US52139990A US5128782A US 5128782 A US5128782 A US 5128782A US 52139990 A US52139990 A US 52139990A US 5128782 A US5128782 A US 5128782A
- Authority
- US
- United States
- Prior art keywords
- light
- panel
- row
- display unit
- strobed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3622—Control of matrices with row and column drivers using a passive matrix
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colourÂ
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133621—Illuminating devices providing coloured light
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colourÂ
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133621—Illuminating devices providing coloured light
- G02F1/133622—Colour sequential illumination
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0202—Addressing of scan or signal lines
- G09G2310/0205—Simultaneous scanning of several lines in flat panels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0235—Field-sequential colour display
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/024—Scrolling of light from the illumination source over the display in combination with the scanning of the display screen
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0281—Arrangement of scan or data electrode driver circuits at the periphery of a panel not inherent to a split matrix structure
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0285—Improving the quality of display appearance using tables for spatial correction of display data
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
- G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2077—Display of intermediate tones by a combination of two or more gradation control methods
- G09G3/2081—Display of intermediate tones by a combination of two or more gradation control methods with combination of amplitude modulation and time modulation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (31)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/521,399 US5128782A (en) | 1989-08-22 | 1990-05-10 | Liquid crystal display unit which is back-lit with colored lights |
US08/034,694 US5416496A (en) | 1989-08-22 | 1993-03-19 | Ferroelectric liquid crystal display apparatus and method |
US08/381,156 US6348907B1 (en) | 1989-08-22 | 1995-01-31 | Display apparatus with digital micromirror device |
US09/139,757 US6288695B1 (en) | 1989-08-22 | 1998-08-25 | Method for driving an addressable matrix display with luminescent pixels, and display apparatus using the method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39691689A | 1989-08-22 | 1989-08-22 | |
US07/521,399 US5128782A (en) | 1989-08-22 | 1990-05-10 | Liquid crystal display unit which is back-lit with colored lights |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US39691689A Continuation | 1989-08-22 | 1989-08-22 | |
US39691689A Continuation-In-Part | 1989-08-22 | 1989-08-22 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US86231392A Continuation | 1989-08-22 | 1992-04-02 | |
US86231392A Continuation-In-Part | 1989-08-22 | 1992-04-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
US5128782A true US5128782A (en) | 1992-07-07 |
Family
ID=27015692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/521,399 Expired - Lifetime US5128782A (en) | 1989-08-22 | 1990-05-10 | Liquid crystal display unit which is back-lit with colored lights |
Country Status (1)
Country | Link |
---|---|
US (1) | US5128782A (en) |
Cited By (97)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5303054A (en) * | 1993-05-17 | 1994-04-12 | Chunghwa Picture Tubes, Ltd. | Line electron beam light source for projection LCD system |
WO1994009474A1 (en) * | 1992-10-08 | 1994-04-28 | Panocorp Display Systems | Display device with a light shutter front end unit and gas discharge back end unit |
WO1994009475A1 (en) * | 1992-10-20 | 1994-04-28 | Panocorp Display Systems | Display device and its drive method |
US5337171A (en) * | 1991-01-17 | 1994-08-09 | Semiconductor Energy Laboratory Co., Ltd. | Electro-optical device |
US5381252A (en) * | 1993-06-22 | 1995-01-10 | Chunghawa Picture Tubes, Ltd. | Opposed scanning electron beams light source for projection LCD |
US5387921A (en) * | 1992-10-08 | 1995-02-07 | Panocorp Display Systems | Scanning back illuminating light source for liquid crystal and other displays |
US5402143A (en) * | 1991-12-23 | 1995-03-28 | Panocorp Display Systems | Color fluorescent liquid crystal display |
US5428366A (en) * | 1992-09-09 | 1995-06-27 | Dimension Technologies, Inc. | Field sequential color illumination system for liquid crystal display |
WO1995020180A1 (en) * | 1994-01-25 | 1995-07-27 | Fergason James L | Display system and method |
EP0668701A1 (en) * | 1994-02-17 | 1995-08-23 | AOKI, Kazuo | Color panel display device |
US5479187A (en) * | 1994-02-23 | 1995-12-26 | Chunghwa Picture Tubes, Ltd. | Vertically scanned narrow light beam source for LCD display |
US5480964A (en) * | 1993-04-21 | 1996-01-02 | The University Of Akron | Negative birefringent polyimide films |
US5519520A (en) * | 1992-02-24 | 1996-05-21 | Photonics Systems, Inc. | AC plasma address liquid crystal display |
WO1996019794A1 (en) * | 1994-12-22 | 1996-06-27 | Displaytech, Inc. | Active matrix liquid crystal image generator |
US5532854A (en) * | 1994-01-25 | 1996-07-02 | Fergason; James L. | Folded variable birefringerence zeroth order hybrid aligned liquid crystal apparatus |
US5537256A (en) * | 1994-10-25 | 1996-07-16 | Fergason; James L. | Electronic dithering system using birefrigence for optical displays and method |
US5541745A (en) * | 1994-01-25 | 1996-07-30 | Fergason; James L. | Illumination system for a display using cholesteric liquid crystal reflectors |
US5566010A (en) * | 1991-04-10 | 1996-10-15 | Sharp Kabushiki Kaisha | Liquid crystal display with several capacitors for holding information at each pixel |
US5572341A (en) * | 1994-10-25 | 1996-11-05 | Fergason; James L. | Electro-optical dithering system using birefringence for optical displays and method |
US5580950A (en) * | 1993-04-21 | 1996-12-03 | The University Of Akron | Negative birefringent rigid rod polymer films |
US5581378A (en) * | 1993-02-01 | 1996-12-03 | University Of Alabama At Huntsville | Electro-optical holographic display |
US5592193A (en) * | 1994-03-10 | 1997-01-07 | Chunghwa Picture Tubes, Ltd. | Backlighting arrangement for LCD display panel |
US5592189A (en) * | 1991-09-09 | 1997-01-07 | Hitachi, Ltd. | Apparatus for use in offices etc. |
US5596343A (en) * | 1994-09-12 | 1997-01-21 | Delco Electronics Corporation | Pushbutton controller with backlit display and switch means |
WO1997045826A1 (en) * | 1996-05-31 | 1997-12-04 | Msm Poly-Print Gmbh | Colour display and uses of such a display |
US5699078A (en) * | 1991-07-27 | 1997-12-16 | Semiconductor Energy Laboratory Co., Ltd. | Electro-optical device and method of driving the same to compensate for variations in electrical characteristics of pixels of the device and/or to provide accurate gradation control |
US5715029A (en) * | 1994-10-25 | 1998-02-03 | Fergason; James L. | Optical dithering system using birefringence for optical displays and method |
US5717422A (en) * | 1994-01-25 | 1998-02-10 | Fergason; James L. | Variable intensity high contrast passive display |
US5739930A (en) * | 1992-10-13 | 1998-04-14 | Fujitsu Limited | Display apparatus |
US5757348A (en) * | 1994-12-22 | 1998-05-26 | Displaytech, Inc. | Active matrix liquid crystal image generator with hybrid writing scheme |
US5920298A (en) * | 1996-12-19 | 1999-07-06 | Colorado Microdisplay, Inc. | Display system having common electrode modulation |
US5959598A (en) * | 1995-07-20 | 1999-09-28 | The Regents Of The University Of Colorado | Pixel buffer circuits for implementing improved methods of displaying grey-scale or color images |
US6011528A (en) * | 1993-11-28 | 2000-01-04 | Smartlight Ltd. | Display device |
US6046716A (en) * | 1996-12-19 | 2000-04-04 | Colorado Microdisplay, Inc. | Display system having electrode modulation to alter a state of an electro-optic layer |
GB2342179A (en) * | 1998-09-22 | 2000-04-05 | Sharp Kk | Transflective Liquid Crystal Displays |
US6078303A (en) * | 1996-12-19 | 2000-06-20 | Colorado Microdisplay, Inc. | Display system having electrode modulation to alter a state of an electro-optic layer |
US6097465A (en) * | 1996-03-01 | 2000-08-01 | Semiconductor Energy Laboratory Co., Ltd. | In plane switching LCD with 3 electrode on bottom substrate and 1 on top substrate |
US6097352A (en) * | 1994-03-23 | 2000-08-01 | Kopin Corporation | Color sequential display panels |
US6160600A (en) * | 1995-11-17 | 2000-12-12 | Semiconductor Energy Laboratory Co., Ltd. | Interlayer insulation of TFT LCD device having of silicon oxide and silicon nitride |
US6184969B1 (en) | 1994-10-25 | 2001-02-06 | James L. Fergason | Optical display system and method, active and passive dithering using birefringence, color image superpositioning and display enhancement |
US6215920B1 (en) | 1997-06-10 | 2001-04-10 | The University Of British Columbia | Electrophoretic, high index and phase transition control of total internal reflection in high efficiency variable reflectivity image displays |
US6243055B1 (en) | 1994-10-25 | 2001-06-05 | James L. Fergason | Optical display system and method with optical shifting of pixel position including conversion of pixel layout to form delta to stripe pattern by time base multiplexing |
US6243069B1 (en) * | 1997-04-22 | 2001-06-05 | Matsushita Electric Industrial Co., Ltd. | Liquid crystal display with image reading function, image reading method and manufacturing method |
US6304365B1 (en) | 2000-06-02 | 2001-10-16 | The University Of British Columbia | Enhanced effective refractive index total internal reflection image display |
US20010054989A1 (en) * | 1993-10-22 | 2001-12-27 | Matthew Zavracky | Color sequential display panels |
US20020030649A1 (en) * | 1994-03-23 | 2002-03-14 | Kopin Corporation | Wireless communication device having a color sequential display |
US6384979B1 (en) | 2000-11-30 | 2002-05-07 | The University Of British Columbia | Color filtering and absorbing total internal reflection image display |
EP1209511A1 (en) * | 2000-11-24 | 2002-05-29 | Agfa-Gevaert | Monochrome liquid crystal display device |
US20020075224A1 (en) * | 2000-12-15 | 2002-06-20 | Son Hyeon Ho | Method of driving liquid crystal display |
US20020080105A1 (en) * | 2000-12-27 | 2002-06-27 | Tsuneo Sato | Transmissive color liquid crystal display |
US20020093477A1 (en) * | 1995-01-31 | 2002-07-18 | Wood Lawson A. | Display apparatus and method |
US6437921B1 (en) | 2001-08-14 | 2002-08-20 | The University Of British Columbia | Total internal reflection prismatically interleaved reflective film display screen |
US6448951B1 (en) * | 1998-05-11 | 2002-09-10 | International Business Machines Corporation | Liquid crystal display device |
US6452734B1 (en) | 2001-11-30 | 2002-09-17 | The University Of British Columbia | Composite electrophoretically-switchable retro-reflective image display |
US20030090478A1 (en) * | 1995-07-20 | 2003-05-15 | The Regents Of The University Of Colorado | Pixel buffer circuits for implementing improved methods of displaying grey-scale or color images |
US20030090455A1 (en) * | 2001-11-09 | 2003-05-15 | Sharp Laboratories Of America, Inc. A Washington Corporation | Backlit display with improved dynamic range |
US6572233B1 (en) * | 1998-10-14 | 2003-06-03 | Gentex Corporation | Rearview mirror with display |
US6574025B2 (en) | 1997-09-04 | 2003-06-03 | The University Of British Columbia | Optical switching by controllable frustration of total internal reflection |
US20030107539A1 (en) * | 1995-01-31 | 2003-06-12 | Wood Lawson A. | Display apparatus and method |
US6621102B2 (en) | 1995-11-04 | 2003-09-16 | Semiconductor Energy Laboratory Co., Ltd. | Electro-optical device |
US20030174586A1 (en) * | 2001-11-30 | 2003-09-18 | Hon Patrick Fong Wing | Clocks with diffusion reflector lighting |
US20030206495A1 (en) * | 2001-11-30 | 2003-11-06 | Kibiloski Keith E. | Alarm clock with dial illumination |
US6646700B2 (en) | 2000-11-24 | 2003-11-11 | Agfa-Gevaert | Monochrome liquid crystal display device utilizing a color filter for changing the spectrum of light emitted from a liquid crystal panel |
US20030231553A1 (en) * | 2001-11-30 | 2003-12-18 | Kibiloski Keith E. | Wall clock with dial illumination |
US20040017348A1 (en) * | 1999-10-08 | 2004-01-29 | Sharp Kabushiki Kaisha | Display device and light source |
US6734841B1 (en) * | 1999-06-18 | 2004-05-11 | Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh | Color display having sequential primary color generation |
US20040104922A1 (en) * | 2000-08-25 | 2004-06-03 | International Business Machines Corporation | Brightness controlling apparatus, brightness adjusting system, computer system, liquid crystal display unit, brightness controlling method, computer software, and storage medium |
US20040136047A1 (en) * | 2002-07-30 | 2004-07-15 | The University Of British Columbia | Self-stabilized electrophoretically frustrated total internal reflection display |
US20040174584A1 (en) * | 2002-03-04 | 2004-09-09 | The University Of British Columbia | Wide viewing angle reflective display |
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